739909906 has 4 divisors (see below), whose sum is σ = 1109864862. Its totient is φ = 369954952.

The previous prime is 739909871. The next prime is 739909909. The reversal of 739909906 is 609909937.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 570779881 + 169130025 = 23891^2 + 13005^2 .

It is not an unprimeable number, because it can be changed into a prime (739909909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184977475 + ... + 184977478.

Almost surely, 2^739909906 is an apocalyptic number.

739909906 is a deficient number, since it is larger than the sum of its proper divisors (369954956).

739909906 is a wasteful number, since it uses less digits than its factorization.

739909906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369954955.

The product of its (nonzero) digits is 826686, while the sum is 52.

The square root of 739909906 is about 27201.2850064110. The cubic root of 739909906 is about 904.4674607745.

The spelling of 739909906 in words is "seven hundred thirty-nine million, nine hundred nine thousand, nine hundred six".